Data from Amazon and official Nabu Casa and Smlight sites.
2026 verdict
Smlight SLZB-MR1 beats Nabu Casa Home Assistant Connect ZWA-2 in 2026, with its clearest edge on rating, power, and connectivity. Its clearest strengths are rating, power, and connectivity, and it still looks stronger on zigbee router and thread border router. Pick Nabu Casa Home Assistant Connect ZWA-2 only when price and Z-Wave controller are the deciding factor for your setup. For most setups, Smlight SLZB-MR1 is the smarter buy.
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| Feature | Nabu Casa Home Assistant Connect ZWA-2 | Smlight SLZB-MR1 | Winner |
|---|---|---|---|
| Price | $79.00 | $103.99 | Nabu Casa Home Assistant Connect ZWA-2 |
| Rating | 4.5 | 4.6 | Smlight SLZB-MR1 |
| Power | USB | USB, PoE | Smlight SLZB-MR1 |
| Connectivity | USB | USB, Ethernet, 2.4 GHz WiFi | Smlight SLZB-MR1 |
| Zigbee Router | NO | YES | Smlight SLZB-MR1 |
| Z-Wave Controller | YES | NO | Nabu Casa Home Assistant Connect ZWA-2 |
| Thread Border Router | NO | YES | Smlight SLZB-MR1 |
| Antenna Gain | +3.38dBi | +5dBi | Smlight SLZB-MR1 |
| Dual Network | NO | YES | Smlight SLZB-MR1 |
| Bluetooth Proxy | NO | YES | Smlight SLZB-MR1 |
| Warranty | 1 year | 1 year | Tie |
| Matter Bridge | NO | NO | Tie |
$79.00
- + Price: $79.00
- + Z-Wave Controller: YES
- - Rating: 4.5 vs 4.6
- - Power: USB vs USB, PoE
Winner
$103.99
- + Rating: 4.6
- + Power: USB, PoE
- + Connectivity: USB, Ethernet, 2.4 GHz WiFi
- - Price: $103.99 vs $79.00
- - Z-Wave Controller: NO vs YES
Frequently Asked Questions
Which is better overall: Nabu Casa Home Assistant Connect ZWA-2 or Smlight SLZB-MR1?
Smlight SLZB-MR1 has the stronger overall profile in this comparison, especially for rating, power, and connectivity.
What is the biggest difference between Nabu Casa Home Assistant Connect ZWA-2 and Smlight SLZB-MR1?
Price is one of the clearest differences: Nabu Casa Home Assistant Connect ZWA-2 lists $79.00, while Smlight SLZB-MR1 lists $103.99.
Which one looks better on price?
Nabu Casa Home Assistant Connect ZWA-2 is listed at $79.00, while Smlight SLZB-MR1 is listed at $103.99. Nabu Casa Home Assistant Connect ZWA-2 (better spec).
Who should buy Nabu Casa Home Assistant Connect ZWA-2?
Choose Nabu Casa Home Assistant Connect ZWA-2 if your priority is price and Z-Wave controller and that matters more than rating.
Who should buy Smlight SLZB-MR1?
Choose Smlight SLZB-MR1 if your priority is rating and power and that matters more than price.
Full comparison table
Compare all 35 Dongles side by side
You are looking at two of them. The full table lines up all Dongles in the catalog with the same specs, so you can filter by what you need and sort by price or rating.
- 35 Dongles
- 32 specs compared
- 29 filters
SmlightSLZB-MRW10
$100.00
SmlightSLZB-06 U
$72.99
SmlightSLZB-MR3
SmlightSLZB-MR4
SmlightSLZB-MR5U
$119.99
SmlightSLZB-07
$34.99
Nabu CasaHome Assistant Connect ZBT-2
$65.00
SmlightSLZB-MR1U
$102.99
SmlightSLZB-07p7
$36.99
ZoozZ-Wave Long Range Stick
$39.95
SonoffDongle Plus MG24
$35.90
SonoffZBDongle-P
21% OFF$39.99$31.50
SonoffZBDongle-E
8% OFF$26.99$24.90
SonoffDongle Lite MG21
$24.90
SonoffDongle-PZG23
$39.90
SmlightSLZB-06M
$72.99
SmlightSLZB-06P10
$85.99
SmlightSLZB-06p7
$79.99
SmlightSLZB-MR1
$103.99
SonoffDongle Plus PP10
$35.90
DonglesSmlightSLZB-06 MG24
$82.99
DonglesSmlightSLZB-06 MG26
$84.99- DonglesSmlight
SLZB-06 U
$72.99 
DonglesSmlightSLZB-06
$72.99- DonglesSmlight
SLZB-06M
$72.99 - DonglesSmlight
SLZB-06P10
$85.99 - DonglesSmlight
SLZB-06p7
$79.99 
DonglesSmlightSLZB-06p7U
$78.99
DonglesSmlightSLZB-07 MG24
$45.99
DonglesSmlightSLZB-07 MG26
- DonglesSmlight
SLZB-07
$34.99 
DonglesSmlightSLZB-07P10
$48.99- DonglesSmlight
SLZB-07p7
$36.99 - DonglesSmlight
SLZB-MR1
$103.99 - DonglesSmlight
SLZB-MR1U
$102.99 
DonglesSmlightSLZB-MR2
£160.48- DonglesSmlight
SLZB-MR3
- DonglesSmlight
SLZB-MR4
- DonglesSmlight
SLZB-MR5U
$119.99 - DonglesSmlight
SLZB-MRW10
$100.00